﻿<!DOCTYPE html>
<html>
<head>
    <title>Html5</title>
</head>
<body>
    <header>
head
</header>
    <nav>
left menu
</nav>
    <section role="main">
main
</section>
    <aside>
right menu
</aside>
    <footer>

foot
</footer>
</body>
</html>
